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Preserve AUTOINCREMENT through transforms

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Simon Willison 2026-08-12 18:39:00 -07:00
commit 2b52b5ed6f
5 changed files with 139 additions and 1 deletions
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18
tests/test_transform.py
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@ -1053,6 +1053,24 @@ def test_transform_with_unique_constraint_implicit_index(fresh_db):
)
def test_transform_preserves_autoincrement_and_sequence(fresh_db):
fresh_db.execute(
"CREATE TABLE entries (id INTEGER PRIMARY KEY AUTOINCREMENT, value TEXT)"
)
entries = fresh_db.table("entries")
entries.insert_all(({"value": "one"}, {"value": "two"}))
entries.delete(2)
entries.transform(rename={"value": "label"})
assert "PRIMARY KEY AUTOINCREMENT" in entries.schema
entries.insert({"label": "three"})
assert list(entries.rows) == [
{"id": 1, "label": "one"},
{"id": 3, "label": "three"},
]
def test_transform_preserves_view(fresh_db):
# https://github.com/simonw/sqlite-utils/issues/831
dogs = fresh_db.table("dogs")